Notes Payable - Bank Lines of Credit and Notes (Detail) (USD $)	Oct. 31, 2014	Oct. 31, 2013
Short-term Debt [Line Items]
Maximum borrowings under bank lines of credit	$ 148,619,000	$ 83,191,000
Outstanding notes payable	106,181,000	3,604,000
Weighted-average interest rate on notes payable	1.00%	2.00%
Unused bank lines of credit	42,438,000	79,587,000
Domestic Bank Debt [Member]
Short-term Debt [Line Items]
Maximum borrowings under bank lines of credit	100,000,000
Outstanding notes payable	100,000,000
Foreign Bank Debt [Member]
Short-term Debt [Line Items]
Maximum borrowings under bank lines of credit	48,619,000	83,191,000
Outstanding notes payable	$ 6,181,000	$ 3,604,000